18605420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19793}}^1$

素因数の和:19849

約数の個数: 24

約数和(自身を含む): 39904704

約数和(自身を除く): 21299284

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19793, 39586, 79172, 98965, 197930, 395860, 930271, 1860542, 3721084, 4651355, 9302710, 18605420]

約数ペア:

[(1, 18605420), (2, 9302710), (4, 4651355), (5, 3721084), (10, 1860542), (20, 930271), (47, 395860), (94, 197930), (188, 98965), (235, 79172), (470, 39586), (940, 19793)]